Pith Number

pith:7MQ4JHOX

pith:2015:7MQ4JHOXI2L7N7RFAW543S3XRZ

not attested not anchored not stored refs pending

Smoothing methods comparison for CMB E- and B-mode separation

Kai Wang, Wen Zhao, Yi-Fan Wang

arxiv:1511.01220 v1 · 2015-11-04 · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7MQ4JHOXI2L7N7RFAW543S3XRZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T01:14:35.804842Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb21c49dd74697f6fe2505bbcdcb778e568963a937e463ef74200549e6469567

Aliases

arxiv: 1511.01220 · arxiv_version: 1511.01220v1 · doi: 10.48550/arxiv.1511.01220 · pith_short_12: 7MQ4JHOXI2L7 · pith_short_16: 7MQ4JHOXI2L7N7RF · pith_short_8: 7MQ4JHOX

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/7MQ4JHOXI2L7N7RFAW543S3XRZ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: fb21c49dd74697f6fe2505bbcdcb778e568963a937e463ef74200549e6469567

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9204651f96e2aa35ae30214e8375f7cae8b14864387398c2a3d7b4acfffb0d9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2015-11-04T06:46:39Z",
    "title_canon_sha256": "063b48fafa266dd4e46183b7bc6e16a4e28917da5724438bf9b9686e49b9d0db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01220",
    "kind": "arxiv",
    "version": 1
  }
}